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Holley
27 Products Results per Page:
Holley 554-114
Dominator EFI ECU ONLY
  • Drives Up to 24 Low or High Impedance Injectors
  • 12 Channel DIS Coil Outputs
  • Plug & Play Control of GM 24x/58x LSx engines
  • Integrated Electronic Transmission Control
  • 4-Stage Progressive Nitrous/Boost Control
  • Dominator EFI Vehicle Management Sytems
    Item# 510-554-114
    Order Today
    Ships 04/15/15
    Only $1,970.95
    • FREE
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    Holley 550-602
    HP EFI ECU & Harness Kit
  • GM LS1
  • Uses Factory GM Coil Harnesses
  • ECU & Harness
    Item# 510-550-602
    Only $1,688.95
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    Holley 550-604
    HP EFI ECU & Harness Kit
  • Universal V8 Multi-Point Fuel Injection
  • Requires Ignition Adapter Harness
  • ECU & Harness
    Item# 510-550-604
    Only $1,632.95
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    Holley 550-601
    HP EFI ECU & Harness Kit
  • GM TPI and Holley Stealth Ram
  • Includes HEI Adapter
  • ECU & Harness
    Item# 510-550-601
    Only $1,632.95
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    Holley 550-200
    Avenger TBI System
  • 2-Barrel
  • 670CFM
  • V8 Up to 275HP
  • Avenger Throttle Body EFI Systems
    Item# 510-550-200
    Only $1,976.95
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    Holley 300-120K2
    INTAKE DUAL CARB LS KIT
    Item# 510-300-120K2
    Order Today
    Ships 04/30/15
    Only $1,545.77
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    Holley 550-618
    Complete Plug & Play HP EFI ECU & Harness Kit
  • Ford Coyote 5.0L Engine
  • Non-VVT/Non-DBW
  • For USCAR ''EV6 Style'' Injector Harness
  • Bosch Wideband O2 Sensor
  • Coyote 5.0L Engine Kits
    Item# 510-550-618
    Only $1,849.95


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    Holley 300-120K1
    INTAKE DUAL CARB LS KIT
    Item# 510-300-120K1
    Order Today
    Ships 04/30/15
    Only $1,649.77
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    Holley 550-617
    Complete Plug & Play HP EFI ECU & Harness Kit
  • Ford Modular 4.6/5.4L 4V Engine
  • For Jetronic ''Bosch Style'' Injector Harness
  • Bosch Wideband O2 Sensor
  • 4.6L / 5.4L 4-Valve Engine Kit
    Item# 510-550-617
    Only $1,799.95


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    Holley 550-616
    Complete Plug & Play HP EFI ECU & Harness Kit
  • Ford Modular 4.6/5.4L 2V Engine
  • For Jetronic ''Bosch Style'' Injector Harness
  • Bosch Wideband O2 Sensor
  • 4.6L / 5.4L 2-Valve Engine Kit
    Item# 510-550-616
    Only $1,799.95


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    Holley 550-605
    HP EFI ECU & Harness Kit
  • Unterminated Universal Harness
  • Includes Universal Unterminated Ignition Adapter Harness
  • ECU & Harness
    Item# 510-550-605
    Order Today
    Ships 04/07/15
    Only $1,632.95
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    Holley 550-602N
  • HP EFI
  • ECU And Harness Kit
  • GM LS1
  • Incl. ECU/Harness
  • Incl NTK Oxygen Sensor
  • Item# 510-550-602N
    Order Today
    Ships 04/07/15
    Only $1,833.95
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    27 Products Results per Page: